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| Patents for Karl Potschner | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,494,015 | May 13, 1924 | K. Potschner | Wrench | pliers type wrenches | |
| 1,639,269 | Aug. 16, 1927 | K. Potschner | Method Of Making Tools | making wrenches | |